From owner-freebsd-scsi Sat Mar 23 15:21:30 1996 Return-Path: owner-freebsd-scsi Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id PAA18668 for freebsd-scsi-outgoing; Sat, 23 Mar 1996 15:21:30 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id PAA18652 for ; Sat, 23 Mar 1996 15:21:25 -0800 (PST) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id AAA02125; Sun, 24 Mar 1996 00:20:41 +0100 Received: by sax.sax.de (8.6.11/8.6.12-s1) with UUCP id AAA20383; Sun, 24 Mar 1996 00:20:41 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.7.4/8.6.9) id AAA26231; Sun, 24 Mar 1996 00:19:41 +0100 (MET) From: J Wunsch Message-Id: <199603232319.AAA26231@uriah.heep.sax.de> Subject: Re: SCSI refresh To: freebsd-scsi@freebsd.org Date: Sun, 24 Mar 1996 00:19:41 +0100 (MET) Cc: khetan@chain.iafrica.com (Khetan Gajjar) Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: from "Khetan Gajjar" at Mar 23, 96 11:53:00 pm X-Phone: +49-351-2012 669 X-Mailer: ELM [version 2.4 PL24 ME8a] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk As Khetan Gajjar wrote: > How do I refresh the SCSI bus ? > > I need to know because I boot my machine often without the CD-ROM/DAT > drive on, and want to use it afterwards, and don't feel like re-booting > the machine with the device on. > > I read the man pages for SCSI, but don't know the /dev name :( scsi -f /dev/rsd0.ctl -r ^^^^^^^^^^^^^_____ This must be a device that has been successfully probed at boot time. Otherwise, you've got a chicken-and-egg problem. Alas, it doesn't work on all controllers. Some of them consistently hang the entire system. :-( -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)